I've been looking at these forums for a while, but this is my first post. The forum has been very helpful in my search for a cheap but good mechanical watch. I bought a couple of Chinese models online, but they've been clunky and have broken after a year or so of use.
This weekend, I picked up this little gem at a local thrift store for $8:
It's tiny - measuring 18mm in diameter. It has an "elastic" metal band:
The back has a numerical code and the words "Bulova Quality":
The Internet informed me that this is a Nightingale, and since the information I found dated the model to the 1940s and 1950s, I was very curious about exactly how old this thing is.
I was apprehensive about opening the case to check, but my curiosity overwhelmed me. There was no case signature on the inside, so I moved on to the movement. Again, this thing is TIIIIIIIINY. Even with a jeweller's loupe, I had a hard time reading the stamps. There were no funky symbols like this page lists, but I did find "L0" stamped beside the word "Swiss", so I'm fairly sure that it's dated to 1950:
Some other photos of the movement:
Now, a couple of questions. The crystal face is very scratched and has hairline cracks all around it:
How can I find out the value of this watch to determine whether it's worth spending money to replace the crystal? Also, would replacing the crystal devalue the watch?